the latest 25.3oz double-layer 304 stainless steel insulation fitness sports protein powder shake cup coffee mug mug, ing

[cup body material]: double inner 304 outer 304 stainless steel, the inner and outer walls are 0.5mm thick, the outer wall of the inner tank is copper plated, the inner wall of the inner tank is electrolytic, the inner tank is welded, vacuum insulation, heat preservation for 6-12 hours, ice for 12-24 hours. [cup lid]: food-grade pp plastic +304 stainless steel ring.